Wave motionMedium
Question
A steel wire of length 1m, mass 0.1 kg and uniform cross sectional area 10-6 m2 is rigidly fixed at both ends. The temp difference of wire is 20o c. If the transverse waves are set up by plucking the string in the middle calcutate freq. of fundamental mode of vibration.
(y = 2 × 1011 N/m2, α = 1.21 × 10-5 /oc)
[Hint : T = yAα ᐃt]
(y = 2 × 1011 N/m2, α = 1.21 × 10-5 /oc)
[Hint : T = yAα ᐃt]
Options
A.11 Hz
B.20 Hz
C.22 Hz
D.15 Hz
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